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Updated: Nov 14, 2025

Lateral Root Inducible System in Arabidopsis and Maize
Published on: January 14, 2016
A Tale of Two Domains Pushing Lateral Roots
Ross Sager1, Malcolm Bennett2, Jung-Youn Lee3
1Department of Plant and Soil Sciences, University of Delaware, Newark, DE 19711, USA.
Abstract:
Successful plant organ development depends on well-coordinated intercellular communication between the cells of the organ itself, as well as with surrounding cells. Intercellular signals often move via the symplasmic pathway using plasmodesmata. Intriguingly, brief periods of symplasmic isolation may also be necessary to promote organ differentiation and functionality. Recent findings suggest that symplasmic isolation of a subset of parental root cells and newly forming lateral root primordia (LRPs) plays a vital role in modulating lateral root development and emergence. In this opinion article we discuss how two symplasmic domains may be simultaneously established within an LRP and its overlying cells, and the significance of plasmodesmata in this process.
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